!!################################ !!ALSA Information Script v 0.4.64 !!################################ !!Script ran on: Mon Jun 18 09:12:32 UTC 2018 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: !!Kernel Information !!------------------ Kernel release: 4.14.39-v7 Operating System: GNU/Linux Architecture: armv7l Processor: unknown SMP Enabled: Yes !!ALSA Version !!------------ Driver version: k4.14.39-v7 Library version: 1.1.3 Utilities version: 1.1.3 !!Loaded ALSA modules !!------------------- snd_bcm2835 snd_usb_audio !!Sound Servers on this system !!---------------------------- Jack: Installed - Yes (/usr/bin/jackd) Running - No !!Soundcards recognised by ALSA !!----------------------------- 0 [ALSA ]: bcm2835_alsa - bcm2835 ALSA bcm2835 ALSA 1 [C930e ]: USB-Audio - Logitech Webcam C930e Logitech Webcam C930e at usb-3f980000.usb-1.4, high speed !!PCI Soundcards installed in the system !!-------------------------------------- !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 !!Loaded sound module options !!--------------------------- !!Module: snd_bcm2835 enable_compat_alsa : Y enable_hdmi : N enable_headphones : N force_bulk : N !!Module: snd_usb_audio autoclock : Y device_setup : 0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N index : -2,-1,-1,-1,-1,-1,-1,-1 pid : -1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null) vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x046d0843, ctrlif=2, ctlerr=0 Card: Logitech Webcam C930e at usb-3f980000.usb-1.4, high speed Unit: 5 Control: name="Mic Capture Volume", index=0 Info: id=5, control=2, cmask=0x0, channels=1, type="S16" Volume: min=5120, max=12800, dBmin=2000, dBmax=5000 Unit: 5 Control: name="Mic Capture Switch", index=0 Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 0 Jun 12 08:06 /dev/snd/controlC0 crw-rw---- 1 root audio 116, 32 Jun 18 08:58 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 16 Jun 12 08:06 /dev/snd/pcmC0D0p crw-rw---- 1 root audio 116, 17 Jun 12 08:06 /dev/snd/pcmC0D1p crw-rw---- 1 root audio 116, 56 Jun 18 08:58 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 1 Jun 12 08:06 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Jun 12 08:06 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Jun 18 08:58 . drwxr-xr-x 4 root root 220 Jun 18 08:58 .. lrwxrwxrwx 1 root root 12 Jun 18 08:58 usb-046d_Logitech_Webcam_C930e_3E2B309E-02 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 80 Jun 18 08:58 . drwxr-xr-x 4 root root 220 Jun 18 08:58 .. lrwxrwxrwx 1 root root 12 Jun 18 08:58 platform-3f980000.usb-usb-0:1.4:1.2 -> ../controlC1 lrwxrwxrwx 1 root root 12 Jun 12 08:06 platform-soc:audio -> ../controlC0 !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA] Subdevices: 7/7 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: C930e [Logitech Webcam C930e], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card 0 [ALSA] Card hw:0 'ALSA'/'bcm2835 ALSA' Mixer name : 'Broadcom Mixer' Components : '' Controls : 6 Simple ctrls : 1 Simple mixer control 'PCM',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback -10239 - 400 Mono: Playback -2000 [77%] [-20.00dB] [on] !!-------Mixer controls for card 1 [C930e] Card hw:1 'C930e'/'Logitech Webcam C930e at usb-3f980000.usb-1.4, high speed' Mixer name : 'USB Mixer' Components : 'USB046d:0843' Controls : 3 Simple ctrls : 1 Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined Capture channels: Mono Limits: Capture 0 - 60 Mono: Capture 44 [73%] [42.00dB] [on] !!Alsactl output !!-------------- --startcollapse-- state.ALSA { control.1 { iface MIXER name 'PCM Playback Volume' value -2000 comment { access 'read write' type INTEGER count 1 range '-10239 - 400' dbmin -9999999 dbmax 400 dbvalue.0 -2000 } } control.2 { iface MIXER name 'PCM Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'PCM Playback Route' value 0 comment { access 'read write' type INTEGER count 1 range '0 - 2' } } control.4 { iface PCM name 'IEC958 Playback Default' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write' type IEC958 count 1 } } control.5 { iface PCM name 'IEC958 Playback Con Mask' value '0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access read type IEC958 count 1 } } control.6 { iface PCM name 'IEC958 Playback PCM Stream' value '0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000' comment { access 'read write inactive' type IEC958 count 1 } } } state.C930e { control.1 { iface PCM name 'Capture Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.3 { iface MIXER name 'Mic Capture Volume' value 44 comment { access 'read write' type INTEGER count 1 range '0 - 60' dbmin 2000 dbmax 5000 dbvalue.0 4200 } } } --endcollapse-- !!All Loaded Modules !!------------------ Module can_raw can uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi videodev snd_seq_device media sg fuse rfcomm cmac bnep hci_uart btbcm serdev bluetooth ecdh_generic binfmt_misc mcp251x can_dev spidev joydev evdev brcmfmac brcmutil cfg80211 snd_bcm2835 rfkill snd_pcm snd_timer snd i2c_bcm2835 spi_bcm2835 w1_gpio wire cn hwmon uio_pdrv_genirq fixed uio i2c_dev ip_tables x_tables ipv6 !!ALSA/HDA dmesg !!-------------- [ 52.796605] w1_add_master_device: set_pullup requires write_byte or touch_bit, disabling [ 53.049910] snd_bcm2835: module is from the staging directory, the quality is unknown, you have been warned. [ 53.063448] bcm2835_alsa bcm2835_alsa: card created with 8 channels -- [ 1840.208362] Linux video capture interface: v2.00 [ 1840.379991] usbcore: registered new interface driver snd-usb-audio [ 1840.380650] uvcvideo: Found UVC 1.00 device Logitech Webcam C930e (046d:0843)